Specialized Design & Manufacturing of Industrial Electrical Carbon Brushes & Wear-Resistant Ceramics
The nation's leading end-to-end manufacturer of industrial electrical carbon brushes with 100% domestic production depth.
Miaad Sanat Advanced Production Lines
Explore our domestic manufacturing capabilities and metallurgical quality control protocols
Knowledge-Based Enterprise
Miaad Sanat Sirjan Gohar Co.
Relying on technical know-how in manufacturing composite components and leveraging academic talent, Miaad Sanat Sirjan Gohar was established with a focus on precision engineering of electric motor carbon brushes and industrial composite parts. Through specialized localization of industrial electrical carbon brushes, chute wear-resistant ceramics, and industrial composite solutions, our company stands as a dependable supplier for the country's prominent mining and steel complexes.
Specialized & Localized Products
Precision design, proprietary powder metallurgy formulations, and custom manufacturing tailored to technical drawings and working conditions.
Code: S-195
EQ_64K
Electrographite Carbon Brush S-195
Manufactured from high-purity carbon with elevated heat treatment, offering superior conductivity and spark-free commutation for DC motors in cement and steel mills.
Code: H-128
RC73
Copper-Graphite Brush H-128 Current Transfer
Formulated from high-purity copper and natural lubricating graphite with ultra-low contact drop for heavy amperage transfer across slip rings and wind turbine generators.
Code: H-118
RC53
Shaft Grounding & Bearing Protection Brush H-118
Engineered to reliably discharge parasitic shaft currents to ground, eliminating bearing pitting and electrical erosion in wind turbines and traction motors.
Alumina 92% & 95%
9 Mohs Hardness
Wear-Resistant Ceramic Liners & Chute Tiles
Hexagonal tiles and weldable alumina ceramic plates with diamond-grade hardness, engineered for iron ore chutes, hoppers, and pelletizing transfer lines.
Renewable Energy
FRP / CFRP
Wind Turbine Blades & Composite Components
Advanced aerodynamic design and manufacturing of glass and carbon fiber composite components engineered to withstand high wind gusts, cyclic fatigue, and harsh environments.
Heavy Mining Equipment
Refractory Insulation
Braking Grid Resistor Insulators (Haul Trucks & Locomotives)
Manufacturing ceramic and mica-based braking resistor insulators designed to endure extreme thermal shock cycles and high dielectric loads in Komatsu and Caterpillar mining trucks.
Company Executives & Senior Specialists
Directing advanced design, precision manufacturing, and metallurgical processes
Mohammad Amin Jahanshahi
Supervision of engineering standards, dimensional design of graphite components, and drawing compliance with international grades.
Ali Nosratabadi
Management of industrial carbon brush manufacturing lines, hydraulic pressing, wear-resistant ceramic sintering, and terminal connection QC.
Hamid Reza Esmaeilinejad
Formulation development for advanced metallurgy, polymer composite synthesis, and abrasion wear optimization of ceramic linings.
Proudly Partnering with the Country's Major Mining & Industrial Hubs
Localization and supply of advanced metallurgical components, custom carbon brushes, and anti-wear liners for primary steel and iron ore giants
Technical Knowledge Base & Articles
Latest insights, material selection guides, and metallurgical engineering analyses
Comprehensive Guide to Selecting the Optimal Carbon Brush Grade for DC Motors
Choosing the right electrographite grade plays a vital role in commutation quality, minimizing sparking, and prolonging commutator lifespan.
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Ceramic Liners vs. Hardox: Which Wear Protection Solution Suits Your Mine?
Comparative analysis of abrasive wear resistance, impact durability, and total lifecycle costs of alumina ceramic tiles in heavy-duty transfer chutes.
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Comparison of Carbon Fiber vs. Fiberglass Composites in Wind Turbine Blades
Evaluating mechanical fatigue limits, stiffness-to-weight ratios, and vinyl ester vs. epoxy resin systems in blade engineering.
Read Article arrow_rightTechnical Inquiry, Drawing & Sample Submission Form
To request custom manufacturing of graphite, ceramic, or composite parts, complete the form below for prompt review by our engineers.
Laboratory Test Results & Analysis Reports
Official documentation of metallurgical characteristics, SEM microstructural imaging, specific electrical resistivity, and mechanical performance under international standards.
Specific Electrical Resistivity
Rigorous measurement of specific electrical resistivity to guarantee optimal commutation efficiency and minimal voltage drops.
Bending Strength (Flexural Test)
Assessment of flexural strength and elastic modulus under heavy cyclic motor stress and high mechanical vibration.
SEM Electron Microscopy
High-resolution scanning electron microscopy to evaluate graphite phase distribution, copper grain bonding, and porosity levels.
Brinell Hardness Testing
Verification of surface hardness and compaction density per HBW standards to prevent commutator ring wear and scoring.
Elemental Purity & Quantometry
High-precision determination of copper and graphite composition and impurity thresholds at Razi Metallurgical Research Center.
Request Complete Dossiers
Contact our technical engineering unit to receive comprehensive engineering datasheets and formal inspection certificates.